🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.53 AU - 0.61 AU

Year: 156 Days

Day: 15.3 Hours

Environment

Temp: 216 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,048,316 km

• M1: 39,494 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.25 AU - 1.99 AU

Year: 749 Days

Day: 45.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 154.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,048,316 km

• M1: 45,777 km (0.052 R)

Asteroid Belt

Center: 5.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 13.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.92 AU - 12.46 AU

Year: 11822 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,048,316 km

• M1: 171,589 km (0.113 R)
• M2: 753,375 km (0.082 R)
• M3: 1,598,453 km (0.096 R)
• M4: 2,477,191 km (0.105 R)
• M5: 3,132,430 km (0.096 R)
• M6: 4,573,656 km (0.076 R)
• M7: 5,254,027 km (0.118 R)
• M8: 7,022,872 km (0.084 R)
• M9: 7,663,450 km (0.08 R)
• M10: 8,673,385 km (0.106 R)
• M11: 9,666,865 km (0.062 R)
• M12: 10,298,467 km (0.048 R)
• M13: 11,183,338 km (0.084 R)
• M14: 13,359,688 km (0.037 R)
• M15: 15,167,878 km (0.081 R)
• M16: 17,439,521 km (0.1 R)
• M17: 19,101,853 km (0.096 R)
• M18: 20,867,557 km (0.085 R)
• M19: 23,764,071 km (0.045 R)
• M20: 25,506,138 km (0.085 R)
• M21: 26,004,897 km (0.098 R)
• M22: 31,584,598 km (0.073 R)
• M23: 33,450,233 km (0.117 R)
• M24: 35,635,709 km (0.115 R)
• M25: 36,890,237 km (0.113 R)
• M26: 38,174,085 km (0.076 R)
• M27: 39,753,540 km (0.06 R)
• M28: 46,213,774 km (0.059 R)
• M29: 49,228,620 km (0.105 R)
• M30: 53,016,887 km (0.026 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.4

Radius: 5.1

Gravity: 28.62 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 12.38 AU - 13.9 AU

Year: 17311 Days

Day: 22.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,048,316 km

• M1: 71,209 km (0.113 R)
• M2: 293,511 km (0.077 R)
• M3: 872,006 km (0.117 R)
• M4: 1,172,548 km (0.115 R)
• M5: 1,491,940 km (0.086 R)
• M6: 1,999,226 km (0.116 R)
• M7: 5,322,543 km (0.068 R)
• M8: 6,276,678 km (0.119 R)
• M9: 6,972,757 km (0.04 R)
• M10: 11,240,934 km (0.029 R)
• M11: 11,681,350 km (0.108 R)
• M12: 12,198,510 km (0.101 R)
• M13: 12,663,609 km (0.115 R)
• M14: 13,348,169 km (0.065 R)
• M15: 27,451,359 km (0.061 R)
• M16: 28,134,124 km (0.081 R)
• M17: 35,865,192 km (0.055 R)
• M18: 39,345,586 km (0.067 R)
• M19: 42,286,830 km (0.034 R)
• M20: 43,044,543 km (0.075 R)
• M21: 48,934,062 km (0.066 R)
• M22: 51,467,203 km (0.114 R)
• M23: 52,330,682 km (0.068 R)
• M24: 53,909,089 km (0.077 R)
• M25: 58,459,706 km (0.115 R)
• M26: 64,250,191 km (0.08 R)
• M27: 65,654,167 km (0.091 R)
• M28: 67,489,284 km (0.052 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 14,196 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit